Transposing-keyboard.



J. H. RYMER.

TRANSPOSING KEYBOARD.

APPLICATION FILED 00125. 1913.

1,146,104. Patented July 13, 1915.

12 9.1. A it? w '5 of ljenhesseet have inventedne W and usejful oHN- H. mm: of? atheism. 1;"

Heir e teem-e I Ba t that ange citizen f of: the n it'e'd" State's, residing at 1 Etowamin the county ofMcMi-nn ail-est te raiId I -j at the front and rea j edges) of the frame are'Ff-ront and 'reari rest I rails 12 and 13 respectively; the frame 10* being 1 slidahly I held i'withimthe key bed; A in any suitable {Improvements 1 in- Transpb's in Keyboards; "of-"Which the following isa 'sp'ecification. I The inyenti'on' r'elatsito" transposers, and more*particiilarly' to the class f transpos-i keyboards forpia'nosand organjs'f i I The primary ob'ectofi thelinyention is the t provision:efaydevi e oft-his characterwhich 1 can-' bem unted I Within thelcasing of a mu' c s c l instrument sof that the keys thereof can be readily 11d il" shifted? simultaneously fj=,w i-thi eac ther so a yarytheiposition of v *ieceadf'mu sic w itten 1 "e' w beplayed-wit ac uracy-1n;

anotheh'key, thedevicebeing novel 'in abstract' 1 f o'f' the hammer action (not shown) of the piano, Whichfis of nary}well knoyvnconstruction.

i Suitably mount'ed on the casing of the piano aton'e end of the key bed A, or at any other suitablepoint, is scale plate; l5"on hichisexpos'ed a key chart of any pre 1 a pointer; 16 which projects f-rom an-upright convenient i each ofth'e operator of" the; piano, so that by the cooperating pointer 16' i and readily and easily 0 the playing of a piece gof music' any de temnjned key other than that} in which the same'i'swritten.

casingfof the piano is a horizontal shaft 18 to which" is fiied a frame'19 having bars 20' theabstracts l4of the hammer eaotionto lift;

I I e en ifted. (lonnectedtothe shaft 18 is an .va'tion: of a} modified form of transposer, operating crank 23 having connected thereto adapted especially for usein organs. Fig. 5' =is aiflfragmentary endgelevation thereof. ."FigJ-G fis a I perspective iew of the trans I Similarfreference vcharacters indicate corresponding parts throughout the several yiews'inathedrawing.

Referring: to fthe' drawn-gin" detail, A

carries on its outer end a knob 25 whereby ofthe frame .19, prior to movlng the key I -In :Figsr4, 5 and 6 there is shown a modified form of transposer which is adapted isg'ofjtlie-ordinary Well-known consubstantially rectangular shaped "frame "26 I structionyandlin which 'isfitted the transg'p'oser' presently described. I V

The-transposercomprises a shiftable key frame -l0 'yvhich is formed medially thereof Witha balance rail 11', the same being ex- T 1 1- tended longitudinally throughoutthe length suitable manner, While fixed inthe inner 1onhas 153:, i915;-

of the said frame. I opposite sidesof the -handle 17 carriedby the key frame '1Ofand I V TY 'Ate' e ui] keys '13, rma journaled in the thesaid abstracts when thefky frame i'sfto rrrr ,7 9o .e'r'ea position? The bar 21 is" adapted to he ed 9 .h9..k ys t9 19r ent,thie,-. career when the abstrsasia' thave 95 it may be manually operated forthe shifting especially for use in -organs, and comprises a I gitudinal rail-0f the said frame 26 aresubstantially U-shaped hinged' yokes 27,;which I v are pivoted in stationaryv pieces 28 fixed rnanneriff'lhe keys-13, are fulcrumedon the balance ra l '11 in the fusual manner, so that a I the-rear end ofemhwill extend beneaththe the-'ordir d 1:y 5-e, and with this chart coo v ape 21 respectively,the har'12O'being des'ig'nedtofienga'geprojections 22formed on a pull rod 24: which extends through the f .front Wallof the casing ofthe piano and ioo frame in a manner as hereinbefore described I forming the frame for the organ keys. The I keys are mounted upon the frame in any .11

withih the (52 'efthe'orgah. Theyokes 27 are of a length to permit the lateral shift- 7 "ing of the frame 26,- fa's -well' a the swinging thQIGOf IEOP raising and loweringjt -lhe forwar d longitudinal rail of theffamef ZG lo tm y r t i iz e i 29 t ly xe i-n-th-casingio-fthe mean at the front there} of'when the keys are POSi iQILQ'fO mFZhQ 1 playingofthe' instrument. It isf'of course understood that the fam'angement of the keys is as usual,--eaeh oyerlying its respective. push pin-J30 ofthe pneumaticryalve for con- 1; trollingthe reeds of the organ, the frame.

being raised and floweredjin a'manner px es ;.dj Qrib. d-. Sw ng e pF r i r I the be'arings 29 is a series oi Emits-31,0116 of which is'Q re t le g h t n the ema a fing levers, and oagr ies a handle 32, and @said leverslhavekfol medthereoncrank extensions 33 carrying friction, rollers 34', underlying the outer longitudlnal rail ofthe fralney26 t a n exzs fti g o the levers-in one- I Q direction the cranks-'33, twill swing to raise. thesaiQ-frame, and-on shifting of'the-leve'rs inthe reverse direction the saidEfram'etwill' beeome lowered. These levers-31 operate' in i a 1 unison through the :medium'ofa connecting nod 35Which is, suitably pivoted-thereto; It

1 5 cours ,nnders w t a he l v rsafe I isp se tz xtle or yfof th as 6f he en' O tha h andle 1 215111. con enien rea h 9f n ope o wh re yfeni pulating i -f mew can'b'e-raised' 'solthat the said frame can shifted: in "a, mannen prfesently described; The framejat jone end has fixed thereto upright handle 36 carrying a pointer whieh" is adapted to co'o'perate With t Ch r o i e le Of S l l te and Y adaltitedto be snita-blyfixed totheqaeing of, the oi gar l; ;-'The ;hand1e1 36 when manually operated 'will shift @theffi'aine 26 after. it has been; raised in'qa manner hereinbefore' de A Yf"scribedhso thatthe keyS'of theiorgan will be 'Shif d th ebyw f ine he Po n: h

same re1at1ye t9 the; organ action so that same key, in which thesame is "Written; The seale enablesa person to acciirately deternine ithe desired extent to shift the keys- 0f the instrument so that the music; cm jbe" played in a predetennined" key thelplayerfof"the instrument the'pianmamanua-lly operableglevervpiyotazlil I fiyehents each, by eddiqssjin g Commission; retn m'uie can be played 11551 1 key i the v, f course tha changes, I yariations': and modifications m be made within the inyention'suehiia's come; "properly Within the scope of the-1 appended claimswithout departing from the spirit on sacrificing any of the advantages of the saidifnvention- *F zomthe foregoing it isathought that the construction, and manner-of 'operation of the inventien will be clearly understood, and; therefore a more i extended explanation has been omitted. r 1

What is daimedis: I

1. A vpiano hayinga 4V transposin'g keyboar sa d ey a comp-r s V v'a frame haying a balance"raiisuppo ting't keys of' the piano," and; a manually operable lever pivotallysupported above the 'keysand having bars "for simultaneously liftingth abstracts of the piano action and lockinggthe keys against-rocking movement o the' ba ance rai1. ;l','.- a v'p a'no h v g fia esi gjkeyboard said key b Qafd I comprising -31 movable .fmme having anbalance"raiksupporting;thekeys of supportedaboyethe keys and hayingbars for simultaneously lifting the} abstracts s of the piano action and locking the keysagainst rocking movement on the;ba1ance-.--rai1; a pointer earr'ied by the handle "and a 'scale to 'cooperatewith'thepointerz1f :In testimony; whereof l aflix;'my-j signatnre inpre'seneeoftwqwitnessessg; Q

-QHN 2 RYMEB- Wi tnesses:" MES *M- emen FRANK O P RKE Q 

